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igomit [66]
3 years ago
8

In a chemical reaction, the difference between the potential energy of the products and the potential energy of the reactants is

equal to the(1) activation energy
(2) kinetic energy
(3) heat of reaction
(4) rate of reaction
Chemistry
1 answer:
Gnoma [55]3 years ago
3 0
3.heat of reaction 
hope that helped
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Answer:

Hence the evaporation rate in pints per minute is 0.001583.

Explanation:

Now,

1.5 gallons of paint are used.

It has 5% solid, so total 95% of 1.5 gallon can evaporate(only the solvent part will evaporate).

95% of 1.5 gallon=(95/100)*1.5 = 1.425 gallons.

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How many half-lives will pass by the time 1.56% of I-131 is present? B. Approximately how many days does that equal? *
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Answer: Hmmmmm that's crazy....

There are a couple of equations one could use for this type of problem, but I find the following to be the easiest to use and to understand.

Fraction remaining (FR) = 0.5n

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In this problem, we need to find n and are given the FR, which is 1.56% or 0.0156 (as a fraction).

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Explanation:

Just wanted to help. Hopefully it's correct wouldn't want to waster your time ;)

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